28110772230 has 32 divisors (see below), whose sum is σ = 67474042848. Its totient is φ = 7495296000.

The previous prime is 28110772223. The next prime is 28110772271. The reversal of 28110772230 is 3227701182.

It is a junction number, because it is equal to n+sod(n) for n = 28110772191 and 28110772200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215830 + ... + 320630.

It is an arithmetic number, because the mean of its divisors is an integer number (2108563839).

Almost surely, 2^28110772230 is an apocalyptic number.

28110772230 is an abundant number, since it is smaller than the sum of its proper divisors (39363270618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28110772230 is a wasteful number, since it uses less digits than its factorization.

28110772230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113752.

The product of its (nonzero) digits is 9408, while the sum is 33.

The spelling of 28110772230 in words is "twenty-eight billion, one hundred ten million, seven hundred seventy-two thousand, two hundred thirty".